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ASN Lookup Tool
AS2152 California State University, Office of the Chanc..

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS2152

Powered By:
ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS2152
Organisation
California State University, Office of the Chanc..
AS Name
CSUNET-NW
IPv4 Addresses Announced
2,019,512
IPv4 Prefixes Announced
569
IPv6 Prefixes Announced
120
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#217 out of 75,576
Registry
Arin
Registered Country
US flag US
Registration Date
1993-01-14
Registration Change
2022-07-15

Receiving From

ASN
Organisation
ASN
AS3356
Organisation
US flag Level 3 Parent, LLC
ASN
AS2516
Organisation
JP flag KDDI CORPORATION
ASN
AS1239
Organisation
US flag Sprint
ASN
AS22773
Organisation
US flag Cox Communications Inc.
ASN
AS36351
Organisation
US flag SoftLayer Technologies Inc.
ASN
AS6461
Organisation
US flag Zayo Bandwidth
ASN
AS8220
Organisation
GB flag COLT Technology Services Group Limited
ASN
AS7575
Organisation
AU flag Australian Academic and Research Network
ASN
AS293
Organisation
US flag ESnet
ASN
AS6939
Organisation
US flag Hurricane Electric LLC
Showing 10 of 17 Results View More >

Transit To

ASN
Organisation
ASN
AS7018
Organisation
US flag AT&T Services, Inc.
ASN
AS8075
Organisation
US flag Microsoft Corporation
ASN
AS4766
Organisation
KR flag Korea Telecom
ASN
AS16509
Organisation
US flag Amazon.com, Inc.
ASN
AS3356
Organisation
US flag Level 3 Parent, LLC
ASN
AS174
Organisation
US flag Cogent Communications
ASN
AS2516
Organisation
JP flag KDDI CORPORATION
ASN
AS714
Organisation
US flag Apple Inc.
ASN
AS209
Organisation
US flag CenturyLink Communications, LLC
ASN
AS9318
Organisation
KR flag SK Broadband Co Ltd
Showing 10 of 479 Results View More >

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix
104.249.91.0/24
Range From
104.249.91.0
Range To
104.249.91.255
Prefix
104.249.94.0/24
Range From
104.249.94.0
Range To
104.249.94.255
Prefix
130.150.0.0/16
Range From
130.150.0.0
Range To
130.150.255.255
Prefix
130.157.0.0/16
Range From
130.157.0.0
Range To
130.157.255.255
Prefix
130.166.0.0/17
Range From
130.166.0.0
Range To
130.166.127.255
Prefix
130.166.128.0/23
Range From
130.166.128.0
Range To
130.166.129.255
Prefix
130.166.130.0/24
Range From
130.166.130.0
Range To
130.166.130.255
Prefix
130.166.132.0/22
Range From
130.166.132.0
Range To
130.166.135.255
Prefix
130.166.136.0/21
Range From
130.166.136.0
Range To
130.166.143.255
Prefix
130.166.144.0/20
Range From
130.166.144.0
Range To
130.166.159.255
Showing 10 of 569 Results View More >

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix
2607:f380::/48
Range From
2607:f380::
Range To
2607:f380:0:ffff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1::/50
Range From
2607:f380:1::
Range To
2607:f380:1:3fff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:4000::/51
Range From
2607:f380:1:4000::
Range To
2607:f380:1:5fff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:6000::/55
Range From
2607:f380:1:6000::
Range To
2607:f380:1:61ff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:6200::/56
Range From
2607:f380:1:6200::
Range To
2607:f380:1:62ff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:6300::/56
Range From
2607:f380:1:6300::
Range To
2607:f380:1:63ff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:6400::/54
Range From
2607:f380:1:6400::
Range To
2607:f380:1:67ff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:6800::/53
Range From
2607:f380:1:6800::
Range To
2607:f380:1:6fff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:7000::/52
Range From
2607:f380:1:7000::
Range To
2607:f380:1:7fff:ffff:ffff:ffff:ffff
Prefix
2607:f380:1:8000::/49
Range From
2607:f380:1:8000::
Range To
2607:f380:1:ffff:ffff:ffff:ffff:ffff
Showing 10 of 120 Results View More >